agents.anac.y2010.Southampton.utils

Class OpponentModel

java.lang.Object

agents.bayesianopponentmodel.OpponentModel

agents.anac.y2010.Southampton.utils.OpponentModel

public class OpponentModel
extends OpponentModel

Author:

Colin Williams

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OpponentModel.Extreme

Field Summary

Fields inherited from class agents.bayesianopponentmodel.OpponentModel

fBiddingHistory, fDomain

Constructor Summary

Constructors

Constructor and Description
OpponentModel(UtilitySpace utilitySpace) Default constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	findMinMaxUtility() Find the minimum and maximum utilities of the bids in the utility space.
EvaluatorHypothesis	getBestHypothesis(int issue)
double	getExpectedUtility(Bid bid) Get the expected utility of a bid.
double	getExpectedWeight(int number) Get the expected weight of a particular issue.
double	getExtremeEvaluation(Evaluator evaluator, OpponentModel.Extreme extreme)
Bid	getFirstBid() Get the first bid.
Hypothesis	getHypothesis(int index)
double	getNormalizedUtility(Bid bid) Get the normalised utility of a bid.
double	getNormalizedUtility(Bid bid, boolean debug) Get the normalised utility of a bid.
void	printBestHypothesis() Print the best hypothesis.
void	updateBeliefs(Bid opponentBid, long currentTime, double totalTime) Update the beliefs about the opponent, based on an observation.

Methods inherited from class agents.bayesianopponentmodel.OpponentModel

getDomain, haveSeenBefore, isCrashed, updateBeliefs

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OpponentModel

public OpponentModel(UtilitySpace utilitySpace)

Default constructor.

Parameters:

utilitySpace - The utility space of the agent.

agent - The agent (used only for logging purposes).

Method Detail

getNormalizedUtility

public double getNormalizedUtility(Bid bid)
                            throws java.lang.Exception

Get the normalised utility of a bid.

Overrides:

getNormalizedUtility in class OpponentModel

Parameters:

bid - The bid to get the normalised utility of.

Returns:

the normalised utility of a bid.

Throws:

java.lang.Exception

getNormalizedUtility

public double getNormalizedUtility(Bid bid,
                          boolean debug)
                            throws java.lang.Exception

Get the normalised utility of a bid.

Parameters:

bid - The bid to get the normalised utility of.

debug - Whether or not to output debugging information

Returns:

the normalised utility of a bid.

Throws:

java.lang.Exception

getExpectedUtility

public double getExpectedUtility(Bid bid)
                          throws java.lang.Exception

Get the expected utility of a bid.

Overrides:

getExpectedUtility in class OpponentModel

Parameters:

bid - The bid to get the expected utility of.

Returns:

the expected utility of the bid.

Throws:

java.lang.Exception

updateBeliefs

public void updateBeliefs(Bid opponentBid,
                 long currentTime,
                 double totalTime)
                   throws java.lang.Exception

Update the beliefs about the opponent, based on an observation.

Parameters:

opponentBid - The opponent's bid that was observed.

Throws:

java.lang.Exception

findMinMaxUtility

protected void findMinMaxUtility()
                          throws java.lang.Exception

Find the minimum and maximum utilities of the bids in the utility space.

Overrides:

findMinMaxUtility in class OpponentModel

Throws:

java.lang.Exception

getExtremeEvaluation

public double getExtremeEvaluation(Evaluator evaluator,
                          OpponentModel.Extreme extreme)

getExpectedWeight

public double getExpectedWeight(int number)

Get the expected weight of a particular issue.

Overrides:

getExpectedWeight in class OpponentModel

Parameters:

number - The issue number.

Returns:

the expected weight of a particular issue.

printBestHypothesis

public void printBestHypothesis()

Print the best hypothesis.

getBestHypothesis

public EvaluatorHypothesis getBestHypothesis(int issue)

getFirstBid

public Bid getFirstBid()

Get the first bid.

Returns:

the first bid.

getHypothesis

public Hypothesis getHypothesis(int index)